LM317LCDRAlternatives & Equivalent Parts
About LM317LCDR
LM317LCDR is a Integrated Circuit component manufactured by Texas Instruments. It comes in a Small Outline Packages package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
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Specification Comparison
| Parameter | LM317LCDRSource | LM317LCD | TL317CDE4 | LM317S/NOPB | LM1086CS-5.0/NOPB | L5970AD | LM317EMPX/NOPB | LM317LD13TR |
|---|---|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | STMicroelectronics | Texas Instruments | STMicroelectronics |
| Package Type | Small Outline Packages | — | Small Outline Packages | TO-XXX (Inc. DPAK) | TO-XXX (Inc. DPAK) | Small Outline Packages | SOT223 (3-Pin) | Small Outline Packages |
| Pin Count | 8 | — | 8 | 4 | 4 | 8 | 4 | 8 |
| Temperature Range | ~ 125.0°C | — | ~ 125.0°C | — | ~ 125.0°C | -40.0°C ~ 150.0°C | — | — |
| Price | $0.1490 | $0.1868 | $0.5053 | $0.6241 | $0.6634 | $1.6058 | $0.5940 | $0.0658 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | — | OBSOLETE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | ||||||||
| Pbfree Code | Yes | — | Yes | Yes | Yes | — | Yes | — |
| YTEOL | 15 | — | 0 | 15 | 15 | 8 | 15 | 5.97 |
| Adjustability | ADJUSTABLE | — | ADJUSTABLE | ADJUSTABLE | FIXED | — | ADJUSTABLE | ADJUSTABLE |
| Dropout Voltage1-Nom | 2 V | — | 2 V | 2.25 V | 1.3 V | — | 2.25 V | 3 V |
| Input Voltage Absolute-Max | 35 V | — | — | — | 25 V | — | — | — |
| Input Voltage-Max | 35 V | — | 35 V | 40 V | 29 V | 36 V | 40 V | — |
| Input Voltage-Min | 3.75 V | — | 2.5 V | 3 V | 6.5 V | 4.4 V | 3 V | — |
| Input-Output Voltage Differential-Max | 35 V | — | 35 V | 40 V | — | — | 40 V | 40 V |
| Input-Output Voltage Differential-Min | 5 V | — | 5 V | 3 V | — | — | 3 V | 3 V |
| JESD-30 Code | R-PDSO-G8 | — | R-PDSO-G8 | R-PSSO-G3 | R-PSSO-G3 | R-PDSO-G8 | R-PDSO-G4 | R-PDSO-G8 |
| JESD-609 Code | e4 | — | e4 | e3 | e3 | e4 | e3 | e4 |
| Line Regulation-Max (%/V) | 0.05 | — | 0.05 | 0.05 | — | — | 0.05 | 0.07 |
| Load Regulation-Max(%) | 0.05% | — | — | 1% | — | — | 1% | 1.5% |
| Number of Functions | 1 | — | 1 | 1 | 1 | 1 | 1 | 1 |
| Number of Outputs | 1 | — | 1 | 1 | 1 | — | 1 | 1 |
| Operating Temperature TJ-Max | 125 °C | — | 125 °C | 125 °C | 125 °C | — | 125 °C | 125 °C |
| Output Current1-Max | 0.1 A | — | 0.1 A | 1.5 A | 1.5 A | — | 1.5 A | 0.1 A |
| Output Voltage1-Max | 37 V | — | 32 V | 37 V | 5.1 V | — | 37 V | 37 V |
| Output Voltage1-Min | 1.25 V | — | 1.25 V | 1.2 V | 4.9 V | — | 1.2 V | 1.2 V |
| Package Body Material | PLASTIC/EPOXY | — | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.24 | — | SOP8,.25 | SMSIP3H,.55TB | SMSIP3H,.55TB | — | — | SOP8,.25 |
| Package Shape | RECTANGULAR | — | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE | — | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE |
| Packing Method | TR | — | TUBE | TUBE | TUBE | — | TR | TR |
| Peak Reflow Temperature (Cel) | 260 | — | 260 | 245 | 245 | 260 | 260 | 260 |
| Qualification Status | Not Qualified | — | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| Regulator Type | ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR | — | ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR | ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | — | ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR | ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR |
| Surface Mount | YES | — | YES | YES | YES | YES | YES | YES |
| Technology | BIPOLAR | — | BIPOLAR | BIPOLAR | BIPOLAR | — | BIPOLAR | BIPOLAR |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | — | Nickel/Palladium/Gold (Ni/Pd/Au) | Matte Tin (Sn) | Matte Tin (Sn) | Nickel/Palladium/Gold (Ni/Pd/Au) | Matte Tin (Sn) | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING | — | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | 1.27 mm | — | 1.27 mm | 2.54 mm | 2.54 mm | 1.27 mm | 2.3 mm | 1.27 mm |
| Terminal Position | DUAL | — | DUAL | SINGLE | SINGLE | DUAL | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 | — | 30 | 30 | 30 | 30 | 30 | 30 |
| Voltage Tolerance-Max | 92.5% | — | 1.5% | 5% | 2% | — | 5% | — |
| ## LM317LCDR Alternates Showing results | Image | — | — | — | — | — | — | — |
| ## LM317S/NOPB Alternates Showing results | — | — | — | Image | — | — | — | — |
| Dropout Voltage1-Max | — | — | — | — | 1.5 V | — | — | — |
| Line Regulation-Max | — | — | — | — | 0.01% | — | — | — |
| Load Regulation-Max | — | — | — | — | 0.035% | — | — | — |
| Output Voltage1-Nom | — | — | — | — | 5 V | — | — | — |
| ## LM1086CS-5.0/NOPB Alternates Showing results | — | — | — | — | Image | — | — | — |
| Factory Lead Time | — | — | — | — | — | 12 Weeks | — | 10 Weeks |
| Analog IC - Other Type | — | — | — | — | — | SWITCHING REGULATOR | — | — |
| Control Mode | — | — | — | — | — | VOLTAGE-MODE | — | — |
| Control Technique | — | — | — | — | — | PULSE WIDTH MODULATION | — | — |
| Input Voltage-Nom | — | — | — | — | — | 12 V | — | — |
| Output Current-Max | — | — | — | — | — | 1.8 A | — | — |
| Switcher Configuration | — | — | — | — | — | BUCK | — | — |
| Switching Frequency-Max | — | — | — | — | — | 500 kHz | — | — |
| ## LM317EMPX/NOPB Alternates Showing results | — | — | — | — | — | — | Image | — |
| ## LM317LD13TR Alternates Showing results | — | — | — | — | — | — | — | Image |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
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Quick Links
Regulator, 1.2V Min, 32V Max, BIPolar, PDSO8
Regulator, 1.25V Min, 32V Max, BIPolar, PDSO8
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Why Look for Alternatives?
Finding alternatives for LM317LCDR is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.
When evaluating LM317LCDR replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.
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FAQ
What is equivalent to LM317LCDR?
Known equivalents for LM317LCDR include LM317LCD, TL317CDE4, LM317S/NOPB. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LM317LCDR?
In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.
How do I verify LM317LCDR alternatives?
Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.